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  • 2021-05-20 发布

高中英语:Unit 4 Astronomy:The science of the stars重点短语学案

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‎ Unit 4 ‎ ‎1 .according to 根据,依据…而定 1. to begin with 以…开始 2. in time to do 及时做某事 3. cool down 冷却下来 4. be fundamental to 对…很重要 5. allow sb to do sth / allow doing sth 允许某人做某事/ 允许某事 6. be harmful to sb/ sth 对某人/某事有害 7. dissolve sth into sth 把…溶解在…之中 8. a chain reaction 连锁反应 9. fill sth with sth 用…填充…‎ 10. as well as (除了…之外)也…‎ 11. for the first time 第一次 12. lay eggs 下蛋 13. give birth to 分娩 14. in one’s turn 轮到某人;接着 15. prevent…from 阻止,制止 16. as a result 结果 17. depend on 依赖,依靠 18. fall from a tree to the ground 从树上摔下到地上 19. be far from…远远不,一点也不 20. cheer up 感到高兴,感到振奋 21. now that 既然…‎ 22. after a while 一会之后 23. get the hang of sth 掌握,理解 24. break out (疾病、战争、火灾)爆发、突发 25. Please check that… 请核实,请检查…‎ 26. Watch out for… 小心…‎ 27. hang out 闲逛;连晒衣服 28. give out 分发;发出(光,热…)‎ 29. warn (sb) of/about sth 提醒某人某事=remind sb of sth 30. warn sb (not)to do 警告某人(不)去做某事 31. a new approach to solving the problem/ a new way to solve the problem 一个解决这个问题的新方法 32. feed A on B 用B喂A 33. go out (灯、火)熄灭 put sth out 熄灭…‎ 34. go dry 变得干燥 35. There is no escape. 逃不掉了。have a narrow ‎ escape 幸免于难 36. According to a widely accepted theory, the universe began with a “Big Bang” that threw matter in all directions. 一种普遍为人们所接受的理论是:宇宙起源于一次大爆炸,这次大爆炸将物质投射到四面八方。‎ 37. What it was to become was uncertain untill the age of the dinosaurs. 随后它会变成什么没人能知道,直到到了恐龙时代。‎ 38. What is even more important is that as the earth cooled down, water began to appear on its surface. 更为重要的是,当地球冷却下来的时候,水开始在它的表面形成了。‎ 39. It was not immediately obvious that water was to be fundamental to the development of life.水对于生命的发展会起关键作用,这一点在当时并不明显。‎ 40. Why they suddenly disappeared still remains a mystery. 它们为什么突然灭绝,至今仍是个迷。‎ 41. They are putting too much carbon dioxide into the atmosphere, which prevents heat from escaping from the earth into space. 人类把大量的二氧化碳排放到大气中去,这使得地球上的热不能释放到太空中去。‎ 42. So whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved. 所以,生命能否在未来的几百万年后在地球上延续取决于这个问题能否被解决。‎ 43. No one knows exactly how the earth began, as it happened so long ago.‎ 44. have a violent temper 45. watch a violent film ‎ 46. in theory 47. in practice 48. react to sth ‎ 49. multiply 2 by 3‎ 50. therefore=thus=accordingly ‎

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